Full Length Corrugations & Lapped Joints for More Effective Stiffness & Ring Compression. The Liner Plate provides optimum shaft stability and protection when constructing new utility tunnels, relining structures under highways and railroads and lining vertical shafts.
Corrugated plate liner are used to repair or replace the old bridge and culvert.
Full Length Corrugations & Lapped Joints for More Effective Stiffness & Ring Compression. The Liner Plate provides optimum shaft stability and protection when constructing new utility tunnels, relining structures under highways and railroads and lining vertical shafts.
The minimum allowable depth of cover is the largest of:
For roads H=B/8+0.2(m) H=B/6(m) and not less than 0.6(m)
For railways H=B/4 and not less than 0.6(m)
There is a possibility to reduce depth of cover provided that suitable checking calculations will be made.
Flexible structure | Plate thickness | Kinds of standard corrosion protection | Required average min value(um) |
plates | ≧6mm | Hot zinc galvanizing | 85 |
≧3mm do < 6mm | Hot zinc galvanizing | 70 | |
≧1.5mm do < 3mm | Hot zinc galvanizing | 55 | |
Bolts and nuts | - | Hot zinc galvanizing | 45 |
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